Eye block for shuttles



Sept. 20, 1938. c. P. PARK 2,130,695

EYE BLOCK FOR SHUTTLES Filed Oct. :50, 1935 2 Sheets-Sheet 1 INVENTOR.

Sept. 20, 1938. c. P. PARK 4 2,130,695

EYE BLOCK FOR SHUTTLES Filed Oct. 30, 1935 2 Sheets-Sheet 2 Patented Sept. 20, 1938 2,130,695

UNITED STATES PATENT OFFICE EYE BLOCK FOR SHUTTLES .Carl Palmer Park, Manchester, N. H., assignor to U S Bobbin & Shuttle Company 1929, Providence, .R. I., a corporation of Rhode Island Application October 30, 1935, Serial No. 47,455

6 Claims. (01. 139-222) invention relates to shuttles, particularly Fig. 5 is a vertical section on the line 5-5 of of the hand threading type, and is substantially Fig. 3. a piece Shuttle eye b k Which ta es the Fig. 6 is a vertical section on the line 6-6 of place of a tubular, transverse, horizontal, porce- Fig. 3. Iain or metal eye, and of the vertical outlet pin Fig. 7 is a horizontal section looking .down on -5 or pins of porcelain or metal now in common the line 1-1 of Fig. 2. use with such shuttles. Fig. 8 is a plan view similar to Fig. 1 of a shut- Its principal advantages are that there are no tle without a friction device. pins or other parts which can come out and cut Fig. 9 is a view similar to Fig. 3 of a slightly t0 the warp, and that it can be made of one piece diiferent eye block held in place in a slightly 10 of porcelain, hard steel, stainless steel, chromidifferent way, but without the filling in the top um plated metal such as brass, .agate, glass or part of the block recess.

any material which will stand the wear of the Fig. 10 is a view similar to Fig. 9 of another thread as it is swiftly running out through the modification. 3-5 shuttle eye from the bobbin. Fig. 11 is a View similar to Fig. 9 of still another Other advantages are that the wood of the modification. shuttle adjoining this eye block can be easily and Fig. 12 is an elevation similar to Fig. 2 showcheaply out without too much weakening of the ing a shuttle cut in a slightly different manner.

shuttle and the block can be inserted. in place Fig. 13 is a view similar to Fig. 3 of another 19 from the top of the shuttle, locked in place by modification of the eyeblock. means which are sealed up, so that there is a Fig. 14 is an enlarged sectional view of the perfectly smooth surface at the top of the block construction shown in Fig. 8 on a horizontal plane recess, but the filling is of such nature that if in a similar position to 1-1 in Fig. 2. the eye block gets worn, chipped or broken, it Fig. 15 is a view similar to Fig. 14, showing a 21,; can easily be removed and replaced by another modification of the eye block. one. In the drawings, S represents a shuttle with the The blockand the recess are so made that the usual point 99, bobbin chamber l and threading block can readily be slid or pressed into posislot 2 in forward extension thereof. As shown, tion, but the front, back and bottom of the re- A represents a metal friction device in which is 3' cess are so made that the block can not move a thread pin member 1 about which the thread norget out of position. i such as T turns after it is threaded and passes The eye block is so made and placed that the out through an eye in the side 98.

thread can be quickly brought down through a 9 represents the top of the shuttle and 5 is the threading slot and then through an eye inlet slot usual thread groove along the side, while 3 is an 5 in the wood, in through the mouth or opening at inlet slot which connects the threading slot 2 with u the front of an eye inlet in the block which prefan eye hole 4 through the wood in the side of the erably extends down and then up into the bottom shuttle and connects also with thread groove 5. of a transverse eye passage, the wood being so cut 6 is a depression forming part of thread groove that while the thread can readily get into. the eye, 5 in alignment with inlet slot 3 and which tapers 40 it cannot readily get out of the eye. down to a thin edge where it adjoins the eye 450 All parts of the block which the thread touches block B and the transverse passage l4 therein. are smooth, hard and curved, and except when 8 is an eye block recess which extends downthreading, the thread touches no part of the wood from the top 9 of the shuttle and B is the threadexcept along the usual thread groove in the side ing block which is curved at its front i 2 and 5 of the shuttle, whereby catching, wearing and back H to fit recess 8, and is flat at its back botshinersare avoided. tom part H to rest on the flat bottom of recess In the drawings, Fig. 1 is a plan view of the eye 8, while its height is such that when pushed end of a shuttle with the preferred form of the down in place, there is a space above it which device in place. i is preferably filled wtih plastic wood or similar 59 Fig. 2 is an elevation of Fig. 1 from the eye material.

side. Preferably also it is held in place as by a sta- Fig. -3 is a vertical section as on line 3--3 of ple such as I0 which is slipped down onto the top Fig. 1. IQ of block B and then pressed in horizontally and Fig. 4 is a view similar to Fig. 3 but with the backwardly as shown in Fig. 3. Any of the deplastic wood filling and eye block removed. vices shown in Figs. 9, 10 and 11 might be used, 55

however. The plastic wood P is then pressed in place to leave a smooth top.

I4 is the transverse eye passage through block B positioned in alignment with eye hole 4 and eye groove 5 and particularly the part 3. There is an inlet I5 in the bottom of eye passage l4, and in front of the vertical wall It, which extends down below and then up at the mouth [3 above the bottom of the eye inlet slot 3 in the wood.

As shown in Fig. 7, the wood is so cut that there is enough space around the bottom front of the eye block B to allow the thread to go down from the eye inlet slot in the wood into the eye pasage I4 and eye hole 4 which together form the shuttle eye.

A convenient way to make an eye 4 and to leave space enough around mouth i3 is to bore a transverse hole H34 in the wood and then block part of it up at R.

As shown in Fig. 8, in a hand threading shuttle, there. can be cut a threading slot 22 in which there is no metal friction such as A, but in which there is a thread pin 27 in the angle between the threading slot 22 and the eye inlet slot 23. Block B and the other parts of the wood are the same as in Fig. 1.

The shapes of the eye block and the methods of looking it in place to prevent vertical displacement, are shown in Figs. 9, 10, and 11.

In Fig. 9, the block F has the bottom 3! which is wider than the bottom H of B, while the mouth 33 at the front 32 is not as high. The front wall 32 and back wall 31 are rounded, as are also the walls of the inlet 35 for transverse passage 34, while the top 38 of the mouth 33 slopes upward and the block is held in place by a strip 30 held down by a screw 20, the top part 88 of the block. recess being lengthened out toward the back to accommodate them.

In Fig. 10, G shows another modification of the eye block with a curved front wall 42 and back wall 41, fiat top 49 and bottom 4! from which extends upward the inlet passage 45 for transverse eye passage 44. The front part 48 of the bottom 4!, which is an extension of the inlet 45, extends up and forward to form a mouth 43, while the block recess I48 is so cut that the back and front walls 41 and 42 and the rear part of the bottom 4| fit it, the bottom l4! keeping the block G in place. At the topis shown a locking device in the form of wire legs 40 which, when bent down as shown by the dotted lines, penetrate the wood, holding block G down in position.

In Fig. 11, the block recess can be the same as 8 while the block H has a curved front wall 52 and back wall 51, the bottom 5| extending from front to back the same distance as top 59, there being a transverse eye passage 54 with an inlet passage 35 which extends down under the wall 58 and out at a mouth 53. Block H is held down and in position by the head of a screw 50,

'the top of the block recess being extended at 88,

as it is also shown in Fig. 9.

In Figs. 12 and 13, the inlet slot 63 in the wood goes down somewhat lower than in Fig. l, and extends back horizontally as shown in Fig. 12, and then up at 64.

The block K has a horizontal inlet passage 60 which connects with or is formed as an inlet SI for the transverse eye passage 62. The eye block inlet 8! coincides with the part 64 of inlet slot 63, while eye inlet 60 registers with inlet slot 63, its mouth 61 being above the bottom of 63.

The eye passage 52 in block K coincides with a suitable eye hole 68 in the wood which registers with a thread groove 66 in the side of the shuttle, 65 represents the block recess in which block K rests.

As shown in Figs. 8 and 14, I prefer to make the block recess such as I I2 at a slight angle with the vertical plane through the axis of the shuttle whereby the front and back walls of the transverse eye passage, such as [4, or their edges I I4 and 2 l4 contract the passage and serve to retard the thread T as it runs through. Moreover, by making this recess at a slight angle with the vertical, and substantially parallel with the slope of the adjoining part of the shuttle, as shown in Fig. 8 and Fig. 14, the wood of the shuttle between the front of the block and the side of the shuttle is weakened less than if it was parallel with the axis.

Block recess H2 must be enlarged at 204 to allow the thread to go around the front of block B into mouth l3 and passage l4. However, as shown in Fig. 15, in place of such enlargement, the front 10 of an eye block M may be made narrower to leave room between M and the wall of block recess H.

I claim:

1. The combination in a shuttle having an eye inlet slot which connects with an eye hole in the side of the shuttle, an eye block recess which extends at an angle with the shuttle axis and parallel with the slope of the adjoining part of the shuttle down from the top to the eye inlet slot, and a thread pin member; of a one piece eye block positioned in the eye block recess and having a transverse eye passage at an angle between the eye hole and the thread pin, there being an inlet at the bottom of the eye passage which extends down and thence forward and at its mouth above the bottom of the eye inlet slot, there being enough space around the bottom front and the outside of the eye block to allow the thread to go from the eye inlet into the eye passage in the eye block.

2. The combination in a shuttle having a body in which is an eye inlet slot which connects with an eye hole and a thread recess in the side of the shuttle, an eye block recess which extends down from the topto the eye inlet slot and connects with the eye hole and thread recess, and a thread pin member; of a one-piece eye block positioned in the eye block recess and having a transverse cylindrical eye passage in alignment with the eye hole, there being an inlet at the bot- .tom of the eye passage which extends down and thence forward and which at its mouth is above the bottom of the eye inlet slot, there being enough space around the bottom front of the eye block to allow the thread togo from the eye inlet into the eye passage in the eye block; means which extend over part of the eye block and penetrate the wood to hold it in position; and filling between the top of the eye block and the top of the shuttle.

3. The combination in a shuttle having a main body in which is an eye inlet slot which connects with an eye hole in the side of the shuttle and an eye block recess which extends down from the top to the eye inlet slot; of a one piece eye block countersunk in the eye block recess and having substantially parallel vertical side walls and substantially parallel vertical front and back walls, the distance between the side walls being less than between the front and the back walls, said eye block having a transverse cylindrical eye passage so positioned as to form part of the eye hole and with an inlet of less size and which enters into the bottom of the eye passage; a passage from the eye block inlet to the shuttle body eye inlet slot; means which extend over part of the eye block and penetrate the main shuttle body to hold the eye block in position; and filling between the top of the eye block and the top of the shuttle.

'4. A one piece eye block for shuttles having substantially parallel vertical flat side walls and substantially parallel vertical front and back walls, the distance between the side walls being less than between the front and back walls, said eye block having a transverse cylindrical eye passage and an inlet into such passage extending up from the bottom. of the block and being of less size than the eye passage where it enters the eye passage, the lower part of the front wall being cut away so as to slope down and back to a point on said inlet which is above the bottom of the block.

5. The combination in a shuttle having a main body in which is a threading slot which connects with an eye inlet slot and an eye hole in the side of the shuttle and having an eye block recess which extends vertically in the shuttle so as to connect with the eye hole; of a one-piece eye block positioned in the eye block recess and having substantially vertical side, front and back walls, the distance between the side walls being less than between the front and back walls and the vertical edges being rounded, said eye block having a transverse cylindrical eye passage with smoothly rounded edges, said eye block being so positioned that its eye passage forms part of the eye hole and having an inlet of less size than the eye passage, said inlet entering substantially at the bottom of the eye passage, the lower part of the front wall of the eye blo'ck sloping down to and connecting with the eye inlet at a point above the bottom of the eye block; and means to hold the eye block in the eye block recess.

6. A one-piece eye block for shuttles having substantially parallel vertical fiat side walls and substantially parallel vertical front and back walls, the distance between the side walls being less than between the front and back walls, said eye block having a transverse cylindrical eye passage flaring outwardly and having smoothly rounded edges and an inlet into such passage extending up from the bottom of the block and. being of less size than the eye passage where it enters the eye passage, the lower part of the front wall being cut away so as to slope down and back to a point on said inlet which is above the bottom of the block.

CARL PALMER PARK. 

